CN217637266U

CN217637266U - Center positioning device

Info

Publication number: CN217637266U
Application number: CN202221931745.6U
Authority: CN
Inventors: 方洁仁; 陈新强; 陈玉荣
Original assignee: Dongguan Jinliwei Abrasives Co ltd
Current assignee: Dongguan Jinliwei Abrasives Co ltd
Priority date: 2022-07-25
Filing date: 2022-07-25
Publication date: 2022-10-21
Anticipated expiration: 2032-07-25

Abstract

The utility model relates to a center positioning device, which comprises a table top, the top both ends of mesa are dug relatively and are equipped with two spouts No. one, the inside of two spouts No. one all is connected with the slider No. one, one side fixedly connected with connecting plate that two sliders are close to each other, the both ends top of two connecting plates all is fixedly connected with the location traveller, the middle part of two connecting plates and one side fixedly connected with locating plate that is close to each other, the middle part of locating plate is dug and is equipped with the spout No. two, two locating plates are misplaced each other, this device carries out center measurement through the principle of the intersection point location centre of a circle of the perpendicular bisector of two trimmed edges of circle, measure through two measuring rulers when having replaced traditional measurement, prevent the central point from squinting, improve the measuring accuracy; a outside for inserting the location awl of emery wheel is equipped with a plurality of sensor switches through trapezoidal transmission piece transmission, and only when all sensor switches are touched together, just can not send out the police dispatch newspaper, can remind measurement personnel.

Description

Center positioning device

Technical Field

The utility model relates to a check out test set technical field, concretely relates to center positioning device.

Background

In the production process of workpieces such as grinding wheels and the like, various data of the workpieces need to be detected, wherein the central positioning is very important, and if the central positioning is inaccurate, the centrifugal force in all directions is not uniform during use, so that the grinding wheels are easy to fly out.

In the prior art, most of the traditional center positioning is directly measured by a measuring tool, although the measuring tool is convenient and fast, the measuring point during the measurement is not the diameter of a grinding wheel, the deviation is easy to generate, and the later-stage use effect can be still influenced, so that the center positioning device is provided.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical scheme that technical problem adopted is: the utility model provides a central positioner, includes the mesa, the relative excavation in top both ends of mesa is equipped with two spouts, two the equal sliding connection in inside of spout has a slider, two one side fixedly connected with connecting plate that a slider is close to each other, two the equal fixedly connected with location traveller in both ends top of connecting plate, two the middle part of connecting plate and the one side fixedly connected with locating plate that is close to each other, the middle part excavation of locating plate is equipped with No. two spouts, two the locating plate misplaces each other, the top No. two spout sliding connection of locating plate has No. two sliders, the top swing joint of No. two sliders has the location awl.

As a preferred technical scheme of the utility model, the lower extreme outer wall equidistance excavation of location awl is equipped with a plurality of flexible grooves, the inside in flexible groove is equipped with the sensor switch, sensor switch electric connection has the alarm.

As a preferred technical scheme of the utility model, the inside sliding connection in flexible groove has trapezoidal transmission piece, the inclined plane of trapezoidal transmission piece is located the outside upper end in flexible groove, a plurality of No. two springs of fixedly connected with between the inside in trapezoidal transmission piece and flexible groove.

As an optimal technical scheme of the utility model, each equal sliding connection has worker shape sliding sleeve on the location traveller, the groove of worker shape sliding sleeve is greater than the thickness of a emery wheel and is less than the thickness of two emery wheels.

As a preferred technical scheme of the utility model, it has the connecting rod to peg graft at the middle part of No. two sliders, the top and the location awl fixed connection of connecting rod, no. two slider fixedly connected with plugs are passed to the bottom of connecting rod.

As an optimized technical scheme of the utility model, no. one spring of fixedly connected with between No. two sliders and the location awl.

The utility model has the advantages of it is following: the device performs center measurement by the principle that the intersection point of the perpendicular bisectors of the two cut edges of the circle positions the circle center, replaces the traditional measurement method that two measuring rulers are used for measurement, prevents the center point from deviating and improves the measurement accuracy; a outside for inserting the location awl of emery wheel is equipped with a plurality of sensor switches through trapezoidal transmission piece transmission, and only when all sensor switches are touched together, just can not send out the police dispatch newspaper, can remind measurement personnel.

Drawings

Fig. 1 is a schematic perspective view of a preferred embodiment of the present invention;

FIG. 2 is a schematic view of a connection structure of a positioning cone according to a preferred embodiment of the present invention;

fig. 3 is an enlarged schematic structural diagram of a preferred embodiment of the present invention.

Description of the reference numerals: 1. a table top; 2. a first chute; 3. a first slide block; 4. a connecting plate; 5. positioning a sliding column; 6. an I-shaped sliding sleeve; 7. positioning a plate; 8. a second chute; 9. a second sliding block; 10. a connecting rod; 11. positioning a cone; 12. a plug; 13. a first spring; 14. a telescopic groove; 15. a trapezoidal transmission block; 16. a second spring; 17. a sensor switch.

Detailed Description

The technical solution of the present invention will be clearly and completely described with reference to the accompanying drawings. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Moreover, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

The present invention will be further explained with reference to the accompanying drawings.

Please refer to fig. 1-3 in combination, the utility model relates to a center positioning device, including mesa 1, the relative excavation in top both ends of mesa 1 is equipped with two spouts 2 No. one, the equal sliding connection in inside of two spouts 2 has slider 3 No. one, one side fixedly connected with connecting plate 4 that two sliders 3 are close to each other, the equal fixedly connected with location traveller 5 in both ends top of two connecting plates 4, the middle part of two connecting plates 4 and one side fixedly connected with locating plate 7 that is close to each other, the middle part excavation of locating plate 7 is equipped with spout 8 No. two, two locating plates 7 misplace each other, spout 8 sliding connection of locating plate 7 of top has slider 9 No. two, the top swing joint of slider 9 has location awl 11.

The lower extreme outer wall equidistance of location awl 11 is dug and is equipped with a plurality of flexible grooves 14, the inside in flexible groove 14 is equipped with sensor switch 17, sensor switch 17 electric connection has the alarm, if sensor switch 17 is touched in proper order, it is not comprehensive to explain the contact between the inner circle of emery wheel and the location awl 11, it has the skew to explain the emery wheel inner circle, the inside sliding connection of flexible groove 14 has trapezoidal driving block 15, the inclined plane of trapezoidal driving block 15 is located the outside upper end of flexible groove 14, fixedly connected with a plurality of No. two springs 16 between trapezoidal driving block 15 and the inside of flexible groove 14, equal sliding connection has worker shape sliding sleeve 6 on each location traveller 5, the groove of worker shape sliding sleeve 6 is greater than the thickness of an emery wheel and is less than the thickness of two emery wheels, conveniently fix a position the emery wheel joint, no. two middle parts of slider 9 are pegged graft and are had connecting rod 10, the top and location awl 11 fixed connection of connecting rod 10, no. two slider 9 fixedly connected with plug 12, no. two fixedly connected with spring 13 between No. two slider 9 and the location awl 11, support location awl 11 through a spring 13, avoid the crossing locating plate 7 flagging of bottom.

Specifically, when the utility model is used, the grinding wheel is clamped in the I-shaped sliding sleeve 6 on the connecting plate 4 on one side, and the first sliding block 3 at the bottom of the other connecting plate 4 is pushed, so that the I-shaped sliding sleeves 6 on the four positioning sliding columns 5 are all pressed against the outer wall of the grinding wheel, the second sliding grooves 8 on the two positioning plates 7 are intersected, and the intersected position is the central point of the grinding wheel;

because the crossing point of the two second chutes 8 is too large, the positioning is still difficult to be performed, the second slider 9 is slid, the plug 12 at the bottom of the second slider 9 is moved to the crossing point of the two second chutes 8, the positioning cone 11 is pressed downwards, if the plug 12 can be inserted into the two second chutes 8, the top of the positioning cone 11 corresponds to the center of the grinding wheel, the grinding wheel is slid downwards through the four i-shaped sliding sleeves 6, the positioning cone 11 at the moment is inserted into the hole in the middle of the grinding wheel, if the inner wall of the grinding wheel can simultaneously extrude the trapezoidal transmission block 15 on the outer wall of the positioning cone 11, and the sensor switch 17 is simultaneously turned on, it is indicated that the center of the grinding wheel meets the requirement, otherwise, if the sensor switch 17 is sequentially touched, it is indicated that the inner ring of the grinding wheel has deviation.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Other parts not described in detail in the present invention belong to the prior art, and are not described herein again. Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The utility model provides a central positioner, includes mesa (1), the relative excavation in top both ends of mesa (1) is equipped with two spout (2), two the equal sliding connection in inside of spout (2) has slider (3), its characterized in that, two one side fixedly connected with connecting plate (4) that slider (3) are close to each other, two the equal fixedly connected with location traveller (5) in both ends top of connecting plate (4), two the middle part of connecting plate (4) and one side fixedly connected with locating plate (7) that are close to each other, the middle part of locating plate (7) is excavated and is equipped with No. two spout (8), two locating plate (7) misplaces each other, the top No. two spout (8) sliding connection of locating plate (7) has No. two slider (9), the top swing joint of No. two slider (9) has location awl (11).

2. A centering device according to claim 1, wherein the outer wall of the lower end of the positioning cone (11) is provided with a plurality of telescopic slots (14) at equal intervals, the inside of the telescopic slots (14) is provided with a sensor switch (17), and the sensor switch (17) is electrically connected with an alarm.

3. A centering device according to claim 2, characterized in that a trapezoid transmission block (15) is slidably connected to the inside of the telescopic slot (14), the inclined surface of the trapezoid transmission block (15) is located at the upper end of the outside of the telescopic slot (14), and a plurality of springs (16) of two numbers are fixedly connected between the trapezoid transmission block (15) and the inside of the telescopic slot (14).

4. A centring device according to claim 1, characterised in that each of said positioning struts (5) has a sliding sleeve (6) slidably associated therewith, the grooves of said sliding sleeve (6) being greater than the thickness of one grinding wheel and less than the thickness of two grinding wheels.

5. A center positioning device according to claim 1, characterized in that a connecting rod (10) is inserted into the middle of the second sliding block (9), the top of the connecting rod (10) is fixedly connected with the positioning cone (11), and the bottom of the connecting rod (10) passes through the second sliding block (9) and is fixedly connected with a plug (12).

6. A centering device according to claim 5, characterized in that a first spring (13) is fixedly connected between the second slider (9) and the positioning cone (11).